public class demo01 {
    public static void main(String[] args) {
        int[] a=new int[]{1,3,4,5,7,9,11,13,17,19};
            for (int i=a.length-1;i>=0;i--){
                int b=a[i];
                System.out.print(b+"\t");
            }
    }
}
